Apparatus for absorbing carbonic acid from air.



C. GHRISTIANSEN.

A'PPABATUSPOR ABSORBING GARBONIGAGID FROM. AIB, APPLIo'ATmN FILED MAY29,1911.

1,052,216. Patented-Feb. 4, 1913.

ZIlllllll/I//l/lllllllllll/Illllflllllllllllllllllll/lillIllll/ thefabrics the latter may be sewedbetween the' granulesso that adisplaeernentof the latter is impossible; made A'of wire or of materialwhich is adapt,-

edto absorb liquids', ,Also the partitions d, t

d may. be made oi' a fabric which is adapted to absorb liquids.

I"`clai1n"h ,erein asmy' invention: l. .In an apparatus of the classdescribed,

the eolnbination. with a casing and meansable to airand a granular airpurifying v substance held between said'4 layers, separate sul Thefabrics may be granules of whiehare maintained by said layers out ofContact with one another and said' layers supported distant from thewalls .of 'the casing and current directing means. 3.' Inan lapparatusof the class described,

Athe combination with a casingv having partitions spaced rom'one anotherand extend- .ing alternately. from one .side toward the other to :formal serpentine circulating pas#l sage for thev air to bey puriechof alplurality of purifying elements between each two partitions, eachelement comprising tw'o opposed layers of material permeable to airl andinclosing between thema granulated air 4purifying substance, saidelements being maintained out of contact Withthe walls of the lcasingand thepartitions under all conditions of operation.4 v

In witness whereofl I have hereunto set Y any-hand in `presence of twowitnesses.

.CHARLES .C'HRISTIANSEM- 'Witnesses:

Bassin -T; DUNLAP, M. KNAPPERS.

